control: Bump python-nss depends.

debian/changelog

@@ -20,6 +20,7 @@ freeipa (4.1.4-1) UNRELEASED; urgency=medium
     needed.
   * control: Server needs newer python-ldap, bump build-dep too.
   * control: Bump certmonger depends.
+  * control: Bump python-nss depends.
 
  -- Timo Aaltonen <tjaalton@debian.org>  Thu, 02 Apr 2015 13:16:49 +0300
 

debian/control

@@ -43,7 +43,7 @@ Build-Depends:
  python-memcache,
  python-netaddr,
  python-nose,
- python-nss,
+ python-nss (>= 0.16.0),
  python-openssl,
  python-polib,
  python-pyasn1,
@@ -217,7 +217,7 @@ Depends:
  python-lxml,
  python-memcache,
  python-netaddr,
- python-nss,
+ python-nss (>= 0.16.0),
  python-openssl,
  python-pyasn1,
  python-qrcode (>= 5.0.0),